AAR Association of American Railroads
AASHTO American Association of State Highway and Transportation Officials
ADUS Archived Data User Service
AEI Automatic Equipment Identification
ALPS Advanced Locomotive Propulsion System
APCO American Public Safety Communications Officers
APTA American Public Transportation Association
AREMA American Railway Engineering and Maintenance of Way Association
ASLRRA American Short Line and Regional Railroad Association
CTA Cognitive Task Analysis
DGPS Differential Global Positioning System
DMU Diesel Multiple Unit
DOE Department of Energy
DTA Damage Tolerance Analysis
ECP Electronically-Controlled Pneumatic [brakes]
EIS Environmental Impact Statement
EMF Electromagnetic Fields
EMR Electromagnetic Radiation
EMS Energy Management System
EO Executive Order
EPA Environmental Protection Agency
FAA Federal Aviation Administration
FAST Facility for Accelerated Service Testing
FEEST Freight Equipment and Environmental Sample Test
FEM Finite Element Modeling
FHWA Federal Highway Administration
FMCSA Federal Motor Carrier Safety Administration
FRA Federal Railroad Administration
FTA Federal Transit Administration
GIS Geographical Information System
GPR Ground Penetrating Radar
GPRA Government Performance and Results Act
GPS Global Positioning System
GRMS Gage Restraint Measurement System
GWEN Ground Wave Emergency Network
HAL Heavy Axle Load
Hazmat Hazardous materials
HRI Highway-Rail Intersections
HSR High-Speed Rail
IDEA Ideas Deserving Exploratory Analysis
ISTEA Intermodal Surface Transportation
Efficiency Act
ITCS Incremental Train Control System
ITE Institute of Transportation Engineers
ITS Intelligent Transportation Systems
JPO Joint Program Office
LRV Light Rail Vehicle
MBTA Massachusetts Bay Transportation Authority
MEMS Micro-electro-mechanical Systems
MIT Massachusetts Institute of Technology
MUTCD Manual of Uniform Traffic Control Devices
NAFTA North American Free Trade Act
NAJPTC North American Joint Positive Train Control Program
NDE Non-Destructive Evaluation
NDGPS Nationwide Differential Global Positioning System
NEC Northeast Corridor
NHTSA National Highway Traffic Safety Administration
NIST National Institute of Standards and Technology
NSTC National Science and Technology Council
NTSB National Transportation Safety Board
PDD Presidential Decision Directive
PEIS Programmatic Environmental Impact Statement
POD Probability of Detection
PRESS Passenger Rail Equipment Safety Standards
PTC Positive Train Control
PTSD Post-Traumatic Stress Disorder
RAIRS Rail Accident/Incident Reporting System
R&D Research and Development
RD&D Research, Development, and Demonstrations
RDTF Rail Defect Test Facility
RPI Railway Progress Institute
RSAC Railroad Safety Advisory Committee
RSPA Research and Special Programs Administration
SAIC Science Applications International Corporation
SBIR Small Business Innovative Research
STP Strategic Traffic Planner
TEA-21 Transportation Equity Act for the 21st
Century
TFT Track Forces Terminal
TRB Transportation Research Board
TTC Transportation Technology Center
TTCI Transportation Technology Center, Inc.
TTP Tactical Traffic Planner
UHF Ultra High Frequency
USDOT U.S. Department of Transportation
VHF Very High Frequency
VIS Video Imaging System
VTI Vehicle Track Interaction
WOR Work Order Reporting
Y2K Year 2000
